Chapitre 12: Essence chosen, the reason behind her strength
When I began to write this self-insert story, I did so with the intention of giving Rias an essence from the Essence CYOA(choose your own adventure). I gave her this essence:
Essence of Evolution: Drinking this imbues you with the power of the ever-evolving ultimate life form.
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-Adaptive evolution Counter(What doesn't kill you makes you stronger) You're body will adapt and evolve, whether from extreme environments or getting cut by something sharp, your body will make it's counter.
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-Adaptive evolution Death(What does kill you makes you stronger)If something manages to get past your counter and "kill" you, you will become immune to whatever killed you.
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-Adaptive evolution Consumption(It taste like chicken they say) Eating something will allow you to store or gain their traits for your evolution.
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-Adaptive evolution Guided(Sometimes you need to take fate by your own hands) It would take longer but you can enter a state of change where you guide what evolution you want to take place without being exposed to danger or killed
État de l’alimentation hebdomadaire
-- Classement
Power Stone 
-- Power
stone